General Pages for this Country:

• Bulgaria outdoor Good starting site for hiking in Bulgaria. The several mountain areas are listed here.

Trails and regions:

• GR3 Some info, pictures (French)
• Pirin Mountains and Rila Pictures.
• Rila Mountains 
• Stara Planina Traverse also known as Kom-Emine part of E3 international trail. Finally I have found someone else who walked the trail. So people, have a look to this great site and great walk.